High chroma orange shade with excellent lightfastness and weather resistance.
Optimized for high-density dispersion in demanding polymer systems, including polyolefins and engineering plastics.
Low volatility and thermal stability up to 280 °C, suitable for high-temperature processing.
Excellent migration resistance in PVC, polyolefins, and thermoplastic elastomers.
REACH-compliant and free of heavy metals, azo dyes, and restricted aromatic amines.
Coloration of polypropylene (PP) and polyethylene (PE) fibers and injection-molded parts.
Automotive interior plastics requiring long-term color stability and low VOC emission.
Exterior-grade PVC profiles and window frames exposed to UV and moisture.
Masterbatch production for food-contact-compliant packaging films (subject to local regulatory approval).
Engineering plastics such as ABS and PS used in consumer electronics housings.
| Chemical Type | Azo pigment (disazo condensation type) |
| Product Form | Free-flowing powder |
| Appearance | Orange-red fine powder |
| Primary Applications | Polyolefins, PVC, ABS, PS, thermoplastic elastomers |
| Key Features | High tinctorial strength, excellent dispersibility, low dust generation |
| Benefits | Consistent batch-to-batch color matching, reduced dosage requirements, minimal filter clogging |
| Regulatory Status | Compliant with EU REACH Annex XVII; non-listed under California Prop 65 |
| Storage Conditions | Store in cool, dry place below 30 °C; protect from moisture and direct sunlight |
Q1: What is the primary chemical class of Irgazin Orange L 3250 HD?
A: Irgazin Orange L 3250 HD is a high-performance diketopyrrolopyrrole (DPP) organic pigment, known for its excellent chromatic strength, thermal stability, and lightfastness in demanding applications.
Q2: Is this pigment suitable for use in polyolefin masterbatches?
A: Yes — Irgazin Orange L 3250 HD is specifically engineered for high-temperature processing environments, including polypropylene and polyethylene masterbatch production, offering good dispersion stability and minimal plate-out during extrusion.
Q3: How does Irgazin Orange L 3250 HD compare to conventional azo orange pigments in terms of weather resistance?
A: It delivers significantly improved outdoor durability and UV resistance compared to standard mono- or disazo orange pigments, making it preferred for automotive coatings, exterior plastics, and architectural applications where long-term color retention is critical.
Q4: Can this pigment be used in water-based systems?
A: While primarily optimized for solvent-based and polymer melt applications, Irgazin Orange L 3250 HD can be formulated into aqueous dispersions with appropriate surfactants and stabilization technology — performance depends on the specific dispersion protocol and end-use requirements.
Q5: What is the typical dosage range in plastic coloration?
A: Dosage generally ranges from 0.1% to 2% by weight depending on the polymer matrix, required opacity or transparency, and desired shade intensity — precise levels should be determined through application-specific trials.
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E-mail: wangxingqiang@ericwchem.com
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